Question 5
In the circuit shown below, when the switch is moved to ‘ON’ position,
(a) the bulb A will glow first.
(b) the bulb B will glow first.
(c) the bulb C will glow first.
(d) all bulbs will glow together.
Option (d) is the correct answer.
All the bulbs will glow at the same time because the bulbs are connected in series. When the switch is turned ON, the electric current is set up instantaneously in all the bulbs, which makes them glow together.